Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone

Emulator of Atari 800/800XL/130XE/5200 with various extensions (1088kB RAM, stereo sound and much more) running on just about every operating system (Unix/Linux, Windows, DOS, TOS, MacOS, Workbench, WinCE...)

HT is a file editor/viewer/analyzer for executables. The goal is to combine the low-level functionality of a debugger and the usability of IDEs. We plan to implement all (hex-)editing features and support of the most important file formats.

A library for drawing 2D primitive shapes in XNA. The library has methods for drawing pixels, lines, rectangles, filled rectangles, circles, and arcs.
Development moved to: https://bitbucket.org/C3/2d-xna-primitives

XBMC Skinning Project is a side-project for hosting open source skins and skinning tools for XBMC Media Center. Any skin author/developer may apply to join to get write access to this projects CVS/SVN/GIT, tracking tools, file publishing, and more.

Remember when you wrote your games in Pascal? Well continue that fine tradition by using JEDI-SDL! Which works with Delphi, Kylix, Free Pascal, Gnu Pascal and TMT Pascal. Cross-platform game develpment has never been easier!